Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Homework Help Guidelines for Students and Helpers
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Hey! I posted in homework help but now it's gone!
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Homework Help: Introductory Physics Formulary
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Dampening Oscillation Spring Question
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3
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38
Acceleration of rising mass and tension in cord
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7
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Mass-spring oscillator problem
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2
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17
Projectile problems(Stuck at equation and answer)
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4
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45
Finding directions of fast axis to cause circular polarisation
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2
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32
Horizontal force F applied so the relative postion stays constant
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7
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21
Wave function for the Helium molecule
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4
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30
Displacement of an electron
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9
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129
Scale height ##z_0## of atmosphere's density profile
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2
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21
Calculating the energy lost during a collision + conservation of angular momentum
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14
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72
Oscillation of a particle on a parabolic surface [equation of motion]
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2
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40
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350
Wave problem - when they meet given their equations of motion
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1
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23
Damped Oscillation Amplitude Decrease vs. Mass Relationship
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11
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51
SHM retarded by friction
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1
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23
Confused about a 3 mass coupled oscialltion
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11
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44
How to determine the spring constant in a Lennard-Jones potential
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2
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33
Oscillation Spring Dampening Find Frequency
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1
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22
Concept of electric field and hollow conductors
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13
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136
Force and motion -- Person falling from 20m onto a cushion (EASY)
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3
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54
From spinor to ket space: Equivalents eigen equations
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1
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50
Displacement and distance when particle is moving in curved trajectory
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3
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52
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581
Prove that the derivative of the position vector equals the velocity vector
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11
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104
Point mechanics -- Tension in a rope from a hanging mass
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10
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77
A spring being compressed between two masses
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2
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67
Waves and propagation
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2
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29
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145
Calculate the center of mass of a deformed hollow cone trunk
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16
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128
Equilibrium of a rigid body
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8
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167
Position of piston related to ideal gas
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22
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205
Fluid dynamics calculation -- Draining a barrel through a pipe
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1
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47
Induced current in a square coil by a current-carrying wire
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2
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68
Bullet and block problem
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2
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29
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162
Projectile Motion: Using an arrow to shoot a coconut dropped by a monkey
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17
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117
Bohr theory Problem
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3
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62
Wave optics, double slit
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7
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66
A basic question about Photoelectric effect
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4
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54
Magnetic and electric fields in relativity
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1
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92
Separating a wave function into radial and azimuthal parts
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2
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85
Collision (Task help for medicine entry exam)
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9
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77
What is Unit Optical Depth?
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1
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69
Millikan Experiment Based Marble Mass Homework
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4
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80
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460
Area-change-rate of a coil generating a given induced current
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11
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107
Can't solve an equation (Deflection of electrons in electrostatic field)
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2
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29
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146
Expansion of the Universe -- By what factor will the distance between remote galaxies increase in the future?
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14
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Speed for loss of of contact between a dumbbell and a table
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10
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164
Thermodynamics: gas expansion formula or approximation error?
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2
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59
Annihilation: calculation of photon energies
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13
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90
Evolution of state/system
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3
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80
Harmonic Motion Problem - Finding oscillation of charges in a circuit
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17
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112
Spherical diopter formula
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6
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85
Upward and downward movement of a rocket with the equation of motion
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13
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140
Electric field of non-conducting cylinder
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8
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90
Relativistic Relative Velocity Problem
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4
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76
Harmonic Motion of a Mass between two springs
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7
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123
Cannot understand author fully - Turbomachines
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1
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65
Linear expansion of steel versus copper with increasing temperature
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3
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100
Number of electrons emitted photoelectrically
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11
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135
To find the resultant of forces on a lamina
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5
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135
Using Faraday's Law to calculate the magnetic field
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3
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128
Calculate and graph the speed distribution
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2
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101
Throwing Objects - Motion in Two Dimensions
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24
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153
I don't understand the algebra in this answer
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2
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97
Electric Field as potential gradient
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2
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78
Gas Laws - pumped tires exploding at the top of a mountain
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19
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197
How far away from the Sun is unit optical depth?
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1
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106
To find the Hall voltage
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19
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194
Comparing the toughness of materials
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9
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211
Meeting of two bodies (cinematic)
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6
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109
Uncertainty in cat's weight
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5
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152
Manipulation of a Thermodynamic Relation
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19
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318
Analyze the reaction in terms of constituent quarks
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3
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116
Single transfer lag in an open-loop system
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2
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27
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Newton's Second Law of Motion -- Three masses, an inclined plane and a pulley
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2
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42
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365
Thermo: A Flat Tire and a Pressurized Tank
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1
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1K
How the flow angle along the blade would change along the length
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2
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29
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484
Surface tension with forces
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2
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63
Power Line Losses
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9
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137
Tension force of a thread in a complex structure of six masless rods
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9
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94
Internal energy change
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3
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146
Time for a capacitor to discharge
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6
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101
Law of Conservation of Energy Problem: Trampoline
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16
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149
Does a Voltmeter's needle jump?
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6
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147
Three identical charges
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24
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235
Minimum energy of a photon to produce ##\pi^+##
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8
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128
Sand drops on a conveyor belt at constant rate
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19
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170
Dynamic Engineering Systems
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8
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100
Hyperons, pions and an expanding universe
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7
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136
Rotation of a rod fastened to a wire
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24
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175
A ball hitting a two-ball system (with a spring between them)
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20
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276
Beats and Resonance - How to Find the Length With only Frequency?
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8
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113
Circular polarizer followed by a linear analyser
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2
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71
Efficiency of a heat engine given a P-V diagram of its process
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1
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63
Confused with this proof for the Cauchy Schwarz inequality
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11
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171
Finding the conduction current density
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3
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118
Grade 12 Kinematics -- Will the car stop before the cliff?
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12
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133
Changing galvanometer reading in the secondary coil of a transformer?
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6
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144
Non-interacting gas in homogeneous gravitational field
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16
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159
Increase in conductivity of intrisic germanium with temperature
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14
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221
Pressure in a bomb calorimeter at the moment of combustion
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1
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94
Angular momentum of orbit from orbit parameters and mass of sun
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3
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128
Lorentz transformation of multiple events into one frame of observation
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2
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27
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215
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Intro Physics Homework Help

Get introductory physics homework help, step by step from mentors. We do not give answers but guide you to it with your effort.

This is for algebra and calculus based general physics homework. Usually this is high school and undergraduate level problems.

Please use the template when asking for help, include all information and provide a reasonable attempt at a solution.

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